baber/WOPTO huggingface dataset:
Patent KR-20050113177-A (KR)
Title: Improved photovoltaic cell and production thereof
Inventor: NARAYANAN SRINIVASAMOHAN
IPC: H01L31/0216
Filed: 2004-01-29
Abstract: An efficient photovoltaic cell, and its process of manufacture, is disclosed wherein the back surface p-n junction is removed from a doped substrate having an oppositely doped emitter layer. A front surface and edges and optionally the back surface periphery are masked and a back surface etch is performed. The mask is not removed and acts as an anti-reflective coating, a passivating agent, or both. The photovoltaic cell retains an untextured back surface whether or not the front is textured and the dopant layer on the back surface is removed to enhance the cell efficiency. Optionally, a back surface field is formed.
Patent KR-20060008901-A (KR)
Title: Update system and method for updating a scanning subsystem in a mobile communication framework
Inventor: KOUZNETSOV VICTOR
IPC: G06F9/445
Filed: 2004-04-05
Abstract: Updating of mobile communication devices with receiving first portion of an update (#1701), verifying the package signature (#1712) installing the update (#1714).
Patent KR-20060004950-A (KR)
Title: Liquid crystal display device
Inventor: NAKANO MINORU
IPC: G02B5/04
Filed: 2004-04-13
Abstract: A liquid crystal display device comprising a first substrate (5) where reflective pixel electrodes (7) for reflecting light are formed; a second substrate (11) where a transparent electrode (9) opposed to the reflective pixel electrodes is formed, the second substrate (11) being parallel to the first substrate (5); a liquid crystal (8) sealed between the first substrate (5) and the second substrate (11); a backlight (2) for emitting illumination light from the backside of the first substrate (5); and a light-gathering plate (4) having a multiple of line prisms (LP) for gathering the illumination light from the backlight (2) onto the array of reflective pixel electrodes (7). There are formed, in each reflective pixel electrode (7), light and dark portions such that the reflectivity of each pixel continuously varies from a lowest value of inside to a highest value of outside. In this way, liquid crystal display devices can be obtained which exhibit an improved light utilization coefficient of the backlight and a raised illuminance of the screen and the manufacturing cost of which is lower.
Patent KR-20060021309-A (KR)
Title: Network management using periodic measurements of indicators
Inventor: KWAK JOSEPH
IPC: H04B1/38
Filed: 2004-05-13
Abstract: A beacon signal used in data communications, such as the IEEE 802.11, is provided with data extensions. The data extensions permit additional information to be provided by the beacon signal. Periodic beacon requests are made during connection between a wireless transmit/receive unit (WTRU) and an access point (AP) on a WLAN. A Measurement Request field corresponding to a beacon request contains a measurement duration value and channel number for which the request applies. The beacon request permits a scan mode which includes "Active Scan" mode, "Passive Scan" mode and " Beacon Table" mode.
Patent KR-20060019584-A (KR)
Title: Low heat capacity gas oxy fired burner
Inventor: ADAMS HARRY P
IPC: C03B7/096
Filed: 2004-06-09
Abstract: A front end for a glass forming operation including an open channel (22) and at least one burner (44). The channel surface (46) has at least one humer port (42) and a humer oriented in the burner port at an acute angle (B) relative to the channel surface. The surface may be a top, side or end wall and the humer port is at an acute angle relative to the surface of the wall. The used burners are preferably oxygen-gas burners, which are reducing CO2 and NO2 emissions. These burners are more environmentally friendly and possibly reducing greenhouse gas taxes.
Patent KR-20060026047-A (KR)
Title: Tray for medication delivery of treatment of periodontal disease and method for medication delivery
Inventor: KELLER DUANE
IPC: A61C7/08
Filed: 2004-06-18
Abstract: A tray fitted to at least some teeth of a patient's upper or lower arch is provided for the application of medications to the teeth and to adjacent gum tissue for treatment of periodontal disease. The tray is constructed from resilient material molded to conform to the teeth and gum tissue. The tray includes at least one recess formed to conform to the teeth. A seal surrounds the recess at a location corresponding to the patient's gum line for applying pressure at the patient's gum line when the patient's teeth are disposed in the recess. The recess contains a quantity of a medication. Upon installation of the tray on the patient's teeth, the medication is forced onto the surface of the teeth and subgingivally by the seal into any pockets in the patient's gums proximate the teeth. If desired, a propulsion agent can be disposed within the recess such that upon application of the tray onto the patient's teeth, the propulsion agent generates pressure within the recess so as to positively force the medication onto the patient's teeth and into any of the pockets in the patient's gums proximate the teeth. Methods for making the tray and for applying medication to a patient's teeth and gums also are disclosed.
Patent KR-20060121662-A (KR)
Title: High-purity piperazine pyrophosphate and method for producing same
Inventor: KIMURA RYOJI
IPC: C08K5/51
Filed: 2004-08-27
Abstract: A high-purity piperazine pyrophosphate containing not more than 10 ppm of sodium and represented by the chemical formula (I) below is disclosed which enables to provide a flame retardant composition with excellent flame resistance. A method for producing such a piperazine pyrophosphate at low cost is also disclosed wherein the piperazine pyrophosphate is produced through dehydration condensation of a piperazine diphosphate.
Patent KR-20070087879-A (KR)
Title: Removing method of free fatty acid in oil using ionic liquid catalyst
Inventor: KIM DEOG KEUN
IPC: C10G3/00
Filed: 2006-01-13
Abstract: A method for removing free fatty acid in oil by using an ionic liquid catalyst is provided to reduce the facility and operation cost for a pretreatment process by rapidly reducing the content of the free fatty acid and maintaining the high conversion ratio of ester even at normal temperature by reacting the oil and alcohol through the ionic liquid catalyst. In a method for removing free fatty acid in oil by using an ionic liquid catalyst, the oil containing free fatty acid and alcohol is treated by esterification reaction with the ionic liquid catalyst. The ionic liquid contains chloro aluminate and is one selected from EMIM[BF4], BMIM[BF4], HMIM[BF4], EMIM[CF3SO3], BMIM[CF3SO3], HMIM[CF3SO3], EMIM[PF6], BMIM[PF6], HMIM[PF6], BP[PF6], EMIM[CF3CO2], EMIM[(CF3SO2)2], BMIM[(CF3SO2)2N], AlCl3, EMIM[AlCl4], BP[AlCl4], and EMIM[Al2Cl7]. EMIM is 1-ehyl-3-methylimidazolium. BMIM is 1-n-butyl-3-methylimidazolium. HMIM is 1-n-hexyl-3-methylimidazolium. BP is butyl pyridinium.
Patent KR-20070076241-A (KR)
Title: The error processing device and method of the plasma display panel
Inventor: KWAK YOON SEOK
IPC: G09G3/296
Filed: 2006-01-18
Abstract: An error processing method of a plasma display panel is provided to reduce a dither noise from a displayed image by generating a random dither mask every frame. Image data for respective frames are inputted to a PDP(Plasma Display Panel)(S10). Different dither masks are generated for the respective frames, which are input to the PDP(S20). An error of the frame, where the dither mask is generated, is calculated(S30). The dither masks are randomly generated every frame with reference to the input data, such that irregular patterns are displayed for the respective frames. The irregular patterns are used to reduce the dither noise from the displayed image.
Patent KR-20070083258-A (KR)
Title: A automobile impact beam with integrated brackets which made by hydro forming and pressing and the manufacturing method thereof
Inventor: LEE EUN WOO
IPC: B62D65/06
Filed: 2006-02-02
Abstract: An impact beam integrated with a pressed and expanded bracket and a method for manufacturing the same are provided to integrate a body with a bracket without employing an additional assembly process when an impact beam is manufactured. An impact beam integrated with a pressed and expanded bracket includes a body(11) and brackets(12',13'). The body(11) is obtained by thermally treating a steel hollow pipe and constitutes the central portion of the impact beam of a vehicle. The brackets(12',13') are integrated with the body(11) at two ends of the body(11) by expanding and pressing a non-thermal treatment portion of the steel hollow pipe. The bracket is formed by expanding and then pressing a portion, in which thermal treatment is not performed, through a hydro foaming scheme.
Patent KR-20070098041-A (KR)
Title: A circuit of sense amplifier
Inventor: WON HYUNG SIK
IPC: G11C11/4091
Filed: 2006-03-30
Abstract: A sense amplifier circuit is provided to reduce ground bouncing noise by dividing a current flowing to the ground rapidly in sensing a sense amplifier array per channel, by setting channels of a plurality of transistors differently. A sense amplifier comprises a sense amplifier driving part(21A,21B) including a plurality of switching devices providing a pullup voltage and a pulldown voltage to a sense amplifier array(10) by a pullup driving signal and a pulldown driving signal outputted from a sense amplifier control part(30). The sense amplifier driving part includes the plurality of switching devices having different channel characteristics providing the pulldown voltage. The sense amplifier driving part includes a switching device having short channel characteristics and a switching device having long channel characteristics as a pulldown drive providing the pulldown voltage.
Patent KR-20060110228-A (KR)
Title: Electronic circuit apparatus
Inventor: SUGIMOTO KEIICHI
IPC: B60R16/00
Filed: 2006-04-19
Abstract: An electronic circuit apparatus is provided to prevent noise due to vibration of an electronic circuit apparatus. An electronic circuit apparatus includes a circuit board, a connector(5), and a casing(4). At least one circuit part is mounted to the circuit board. The connector is mounted to the circuit board to connect the circuit board to an external electric circuit. The casing is formed of a resin. The casing is cast so as to seal a portion of the connector, the circuit board, and the circuit parts with a resin. The circuit part includes an electronic unit generating heat. The casing includes a heat radiating unit. The heat radiating unit protrudes outward from the casing.
Patent KR-20060121097-A (KR)
Title: Circuit arrangement with error detection for activating power semiconductor switch and associated method
Inventor: SACHA PAWEL
IPC: H01L27/04
Filed: 2006-05-03
Abstract: A circuit arrangement with error detection for activating a power semiconductor switch and an associated method are provided to detect switching states of at least one power semiconductor switch of a secondary side by using a primary side. An integrated circuit unit includes components of a primary side(20), and components of secondary sides(30) with respect to a TOP switch(50) of a bridge circuit and a BOT switch(52), to drive the power semiconductor switches. The primary side includes at least one signal processing device, and a related level shifter(44) for driving at least one secondary side without electric potential. The secondary side includes at least one signal processor and at least one driving stage for each switch. Circuit components(46,47,48) are arranged at the primary side.
Patent KR-20070110755-A (KR)
Title: The broadcasting signal of comprising information related to dummy event in PSIP the method of controlling the broadcasting signal and the receiver for controlling the same
Inventor: KIM JIN PIL
IPC: H04N7/08
Filed: 2006-05-15
Abstract: A broadcasting signal including information related to a dummy event in PSIP(Program and System Information Protocol), a method for controlling the broadcasting signal, and a receiver for controlling the same are provided to show when active events are started and divide broadcasting programs easily such as advertisement program, drama, news, and so on. A broadcasting signal including information related to a dummy event in PSIP(Program and System Information Protocol) comprises the following steps of: defining a main broadcasting program as an actual event; and defining a minor broadcasting program which is not included in the main broadcasting program as a dummy event. The PSIP includes classification information which can classify the actual event and dummy event. The information is defined in an EIT(Event Information Table).
Patent KR-20060121116-A (KR)
Title: Semiconductor memory card and manufacturing method thereof
Inventor: TAKEMOTO YASUO
IPC: H01L25/10
Filed: 2006-05-22
Abstract: A semiconductor memory card and a manufacturing method thereof are provided to prevent defects due to separation of a mold resin from a lateral face of a substrate by increasing coherence between a substrate and the mold resin. A wiring substrate(11) comprises a first surface, a second surface facing the first surface, a plurality of external connective terminals, and a plurality of wiring lines(12) formed on the first surface. A protective layer is formed on the second surface of the wiring substrate and has an opening in at least part of an outer periphery of the wiring substrate. A memory chip(17) is mounted on the second surface of the wiring substrate. A resin layer is used for composing a package of a semiconductor memory card by sealing a side of the second surface of the wiring substrate to cover the protective layer and the memory chip.
Patent KR-20070114969-A (KR)
Title: Picture frame and picture support bar
Inventor: LEE JUN GU
IPC: A47G1/14
Filed: 2006-05-30
Abstract: A picture frame and a picture frame support are provided to form two recesses on the picture frame support to make the angle at which the picture frame is seen different, and to avoid waste of resources. A picture frame support is able to be manufactured by any material such as plastic, wood, glass, etc. Recesses are formed on the rear surface of a picture frame. The recess has a size to make the picture frame support inserted therein. The recess has a protruding shape to have the effects of fixing the picture frame with the picture frame supports when a picture is inserted in the picture frame. Both ends of the picture frame support are bent at different angles and are inserted into the recesses. The picture frame support has a triangular shape.
Patent KR-20070115046-A (KR)
Title: Hanger fixer for deffering flowerpot and molding of circle frame
Inventor: SONG HONG SIK
IPC: A01G9/02
Filed: 2006-05-30
Abstract: A fixing device of a hanger for holding a flowerpot or sculpture to a round frame is provided to install and demount the fixing device easily, and to replace only a hanger conveniently if there is a change in the size of the flowerpot or sculpture or damage to the hanger. A fixing device(100) of a hanger for holding a flowerpot or sculpture to a round frame comprises: a hook(110) which is formed into a U-shape and is hung on a round frame such as a veranda railing, a fence, or a flowerpot; and a fixing part(120) which is formed at the exterior of one end part of the hook, and to which a hanger for holding a flowerpot or a sculpture is fixed. The fixing part of plate shape is connected to the hook by a connecting part. One end part of the hook is shorter than the other end part.
Patent KR-20060127765-A (KR)
Title: Control device with belt type continuously variable transmission for vehicle
Inventor: SUZUKI HIDEAKI
IPC: F16H9/00
Filed: 2006-06-05
Abstract: A control apparatus for a vehicle having a belt-type variable transmission is provided to prevent slippage of a pulley and a belt due to speed change failure, thereby enhancing durability of the belt. A real speed ratio calculating unit calculates a real speed ratio based on rotation speeds of primary and secondary pulleys(10,11) detected by first and second rotation speed sensors. A speed change failure detecting unit detects a speed change failure when at least one of the first and second rotation speed sensors fails to detect the corresponding rotation speed. A pulley pressure fixing control unit fixes first and second hydraulic pressures to first and second pulley pressures when the speed change failure is detected. An allowable input torque calculating unit calculates an allowable input torque based on at least one of the first and second hydraulic pressures, at least one of rotation speed of the primary pulley and that of the secondary pulley, and a target speed ratio. A restart time input torque restriction unit controls the input torque to the allowable input torque. A canceling unit cancels the operation of the pulley pressure fixing control unit and that of the restart time input torque restriction unit.
Patent KR-20070116403-A (KR)
Title: Process for making ti-ni based functionally graded alloys and ti-ni based functionally graded alloys produced thereby
Inventor: NAM TAE HYUN
IPC: C22F1/16
Filed: 2006-06-05
Abstract: A method for producing Ti-Ni based functionally graded alloys is provided to obtain a shape memory effect and a functionally graded effect that has hyperelastic properties and exhibits a continuous shape variation according to the change of temperature by annealing cold worked Ti-Ni based alloys under temperature gradients, thereby continuously varying transformation temperatures in the same alloys. A method for producing a Ti-Ni based functionally graded alloy comprises cold working a Ti-Ni based alloy, and annealing the cold worked Ti-Ni based alloy under a temperature gradient to impart a graded function to the Ti-Ni based alloy. The Ti-Ni based alloy is cold worked to a ratio of 25 to 65%, and the cold worked Ti-Ni based alloy is annealed under a temperature gradient of 823 to 466 deg.K. A Ti-Ni based functionally graded alloy produced by the method is proportionally controllable, wherein a strain recovery rate of the Ti-Ni based functionally graded alloy is reduced to 1/30 to 1/100.
Patent KR-20070118509-A (KR)
Title: Liquid crystal display device and driving method thereof
Inventor: PARK KI BOK
IPC: G02F1/133
Filed: 2006-06-12
Abstract: A liquid crystal display device and a driving method thereof are provided to maintain an effective value for representing brightness by dividing one of RGB pixels into first and second sub-pixels having different polarities and the same brightness. A liquid crystal display device includes an LCD(Liquid Crystal Display) panel(230), a gate driver(220) and a data driver(210). Pixels, which are defined by gate and data lines, are arranged in a matrix formation on the LCD panel. The gate driver supplies a gate voltage to the LCD panel. The data driver supplies a data voltage to the LCD panel. The respective pixels include first and second LCD cells, which are independently driven according to driving voltages with different polarities to represent the same brightness.
Patent KR-20070119296-A (KR)
Title: Agent having effects of skin aging resister and skin whitening, manufactured using extract of pine tree as its main ingredient
Inventor: HWANG BO SIK
IPC: A61K8/97
Filed: 2006-06-15
Abstract: An agent comprising an extract of pine tree is provided to prevent skin aging and whiten the skin due to the antioxidation action of the pine tree extract, thereby providing a cheap skin anti-aging and whitening agent. A skin anti-aging and skin whitening agent comprises 1-10% of an extract of pine tree which is obtained by extracting whole pine tree, pine needles or the woody parts of the pine tree with water or an organic solvent such as ethanol and methanol. The agent is formulated in an orally taking form or a skin application form.
Patent KR-20070120801-A (KR)
Title: Multi passing apparatus and image forming apparatus having the same
Inventor: KIM YOUNG CHOON
IPC: G03G15/00
Filed: 2006-06-20
Abstract: A multi passing apparatus and an image forming apparatus including the same are provided to guide the repeated transfer of a recording medium and arrange the front end of a feeding recording medium. A multi passing apparatus(100) includes a recording medium supply path(110), a sub path(120), and a guide unit(20). The recording medium supply path is connected between a paper feeding unit(50) and an image forming unit(10). The sub path is diverged in a side of the recording medium supply path so that a recording medium(P) can be repeatedly transferred to the image forming unit. The guide unit arranges the front end of the recording medium transferred through the supply path and guides the recording medium to the sub path wherein the recording medium is primarily transferred to the image forming unit.
Patent KR-20080001373-A (KR)
Title: Method of forming self-aligned contact in semiconductor memory device
Inventor: YANG KYOUNG CHUL
IPC: H01L21/28
Filed: 2006-06-29
Abstract: A method for forming a self-aligned contact in a semiconductor memory device is provided to reduce an under-etch effect by increasing an etch rate of an interlayer dielectric. A gate(101) for drain or source selection transistor is formed on a semiconductor substrate(100). A spacer(103) is formed on a sidewall of the gate. An SAC nitride layer(104), and a first and second interlayer dielectrics(105,106) are formed on the entire structure including the spacer. An etch rate of the second interlayer dielectric is increased by implanting impurities into the inside of the second interlayer dielectric. A contact hole is formed by etching sequentially the second interlayer dielectric, the first interlayer dielectric, and the SAC nitride layer. A contact(109) is formed by burying the contact hole with a contact material.
Patent KR-20080002445-A (KR)
Title: Method for forming bulb type recess gate
Inventor: KIM HONG JIN
IPC: H01L21/336
Filed: 2006-06-30
Abstract: A method for forming a bulb-type recess gate is provided to prevent extension of a loss of an isolation layer in an etch process for forming a bulb-type groove by filling a nitride layer in the lost portion of the surface of the isolation layer before the bulb-type groove is formed. A semiconductor substrate(31) has an isolation layer(32) for defining an active region, and a first groove is formed in a gate formation region of the active region. A buffer oxide layer can be formed on the resultant structure. A nitride layer is formed on the resultant structure. The nitride layer formed on the lower surface of the first groove is removed by a blanket etch method. A portion of the substrate under the lower surface of the first groove exposed by the removal of the nitride layer is etched to form a second groove(H2) of a bulb type including the first groove. The nitride layer is removed. A gate is formed on the second groove.
Patent KR-20070098398-A (KR)
Title: Method and apparatus for reproducing media, and media file format thereof
Inventor: KIM TAE HYEON
IPC: G11B20/10
Filed: 2006-07-14
Abstract: A media reproducing method and media file format thereof are provided to improve transmission efficiency and to provide visual effect by using at least one of video information and time information of object media data. A media reproducing method and media file format thereof comprise the steps of searching object media information describing at least one of video information and time information of the object media data from an information area(200A), and searching the object media data from a data area(300A) according to the searched object media information. The object media information is included in at least one of a main meta area and a track area of the information area.